Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual serviço a rede da atn urdu oferece?
 ###Tabelas: CREATE TABLE lpga_tour_11 (lpga_tour_11_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR) CREATE TABLE canada (canada_id AUTO_INCREMENT PRIMARY KEY, Network VARCHAR, Origin of Programming VARCHAR, Language VARCHAR, Genre VARCHAR, Service VARCHAR) CREATE TABLE ships_of_the_great_eastern_railway (ships_of_the_great_eastern_railway_id AUTO_INCREMENT PRIMARY KEY, Ship's name VARCHAR, Entered service VARCHAR, Ended service VARCHAR, Gross Tonnage INT, Type of Vessel VARCHAR) CREATE TABLE game_history (game_history_id AUTO_INCREMENT PRIMARY KEY, Year INT, Date VARCHAR, Television VARCHAR, Designated Visitors VARCHAR, Designated Home VARCHAR, Stadium VARCHAR, City VARCHAR) CREATE TABLE most_wickets_in_the_tournament (most_wickets_in_the_tournament_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Overs VARCHAR, Runs VARCHAR, Wkts VARCHAR, Mdns VARCHAR, Econ VARCHAR)  
SELECT Service FROM canada WHERE Network = atn urdu